Yes. Confirmed by Caroline Green (Ryanair Director of Customer Service - she was rather defensive about her job title
) who spoke at the Future of Air Transport conference in London yesterday. Winglets got a brief mention in the overall "why we are wonderful and everyone loves us" speech.
She said:
- FR estimates fuel burn reduction 2.5%-3% overall from winglets;
- saving likely to be of the order of $10,000 per month per aircraft.